Buggy code:
public class AtAjAttributes { private static final List EMPTY_LIST = new ArrayList ( ) ; private static final String [ ] EMPTY_STRINGS = new String [ 0 ] ; private static final String VALUE = "value" ; private static final String POINTCUT = "pointcut" ; private static final String THROWING = "throwing" ; private static final String RETURNING = "returning" ; private static final String STRING_DESC = "Ljava//lang//String;" ; private static class AjAttributeStruct { List ajAttributes = new ArrayList ( ) ; final ResolvedType enclosingType ; final ISourceContext context ; final IMessageHandler handler ; public AjAttributeStruct ( ResolvedType type , ISourceContext sourceContext , IMessageHandler messageHandler ) { } } private static class AjAttributeMethodStruct extends AtAjAttributes . AjAttributeStruct { private String [ ] m_argumentNamesLazy = null ; final Method method ; final BcelMethod bMethod ; public AjAttributeMethodStruct ( Method method , BcelMethod bMethod , ResolvedType type , ISourceContext sourceContext , IMessageHandler messageHandler ) { } public String [ ] getArgumentNames ( ) { } } private static class AjAttributeFieldStruct extends AtAjAttributes . AjAttributeStruct { final Field field ; final BcelField bField ; public AjAttributeFieldStruct ( Field field , BcelField bField , ResolvedType type , ISourceContext sourceContext , IMessageHandler messageHandler ) { } } public static boolean acceptAttribute ( Attribute attribute ) { } public static List readAj5ClassAttributes ( JavaClass javaClass , ReferenceType type , ISourceContext context , IMessageHandler msgHandler , boolean isCodeStyleAspect ) { try { Constant [ ] cpool = javaClass . getConstantPool ( ) . getConstantPool ( ) ; for ( int i = 0 ; i < ( cpool . length ) ; i ++ ) { Constant constant = cpool [ i ] ; if ( ( constant != null ) && ( ( constant . getTag ( ) ) == ( Constants . CONSTANT_Utf8 ) ) ) { if ( ! ( javaClass . getClassName ( ) . startsWith ( "org.aspectj.lang.annotation" ) ) ) { ConstantUtf8 constantUtf8 = ( ( ConstantUtf8 ) ( constant ) ) ; if ( "Lorg//aspectj//lang//annotation//DeclareAnnotation;" . equals ( constantUtf8 . getBytes ( ) ) ) { msgHandler . handleMessage ( new org . aspectj . bridge . Message ( ( ( "Found<seq2seq4repair_space>@DeclareAnnotation<seq2seq4repair_space>while<seq2seq4repair_space>current<seq2seq4repair_space>release<seq2seq4repair_space>does<seq2seq4repair_space>not<seq2seq4repair_space>support<seq2seq4repair_space>it<seq2seq4repair_space>(see<seq2seq4repair_space>'" + ( type . getName ( ) ) ) + "')" ) , IMessage . WARNING , null , type . getSourceLocation ( ) ) ) ; } } } } } catch ( Throwable t ) { } AtAjAttributes . AjAttributeStruct struct = new AtAjAttributes . AjAttributeStruct ( type , context , msgHandler ) ; Attribute [ ] attributes = javaClass . getAttributes ( ) ; boolean hasAtAspectAnnotation = false ; boolean hasAtPrecedenceAnnotation = false ; for ( int i = 0 ; i < ( attributes . length ) ; i ++ ) { Attribute attribute = attributes [ i ] ; if ( AtAjAttributes . acceptAttribute ( attribute ) ) { RuntimeAnnotations rvs = ( ( RuntimeAnnotations ) ( attribute ) ) ; <START_BUG> if ( ! isCodeStyleAspect ) { <END_BUG> hasAtAspectAnnotation = AtAjAttributes . handleAspectAnnotation ( rvs , struct ) ; hasAtPrecedenceAnnotation = AtAjAttributes . handlePrecedenceAnnotation ( rvs , struct ) ; } break ; } } if ( hasAtPrecedenceAnnotation && ( ! hasAtAspectAnnotation ) ) { msgHandler . handleMessage ( new org . aspectj . bridge . Message ( ( ( "Found<seq2seq4repair_space>@DeclarePrecedence<seq2seq4repair_space>on<seq2seq4repair_space>a<seq2seq4repair_space>non<seq2seq4repair_space>@Aspect<seq2seq4repair_space>type<seq2seq4repair_space>'" + ( type . getName ( ) ) ) + "'" ) , IMessage . WARNING , null , type . getSourceLocation ( ) ) ) ; return AtAjAttributes . EMPTY_LIST ; } if ( ! hasAtAspectAnnotation ) { return AtAjAttributes . EMPTY_LIST ; } for ( int i = 0 ; i < ( javaClass . getMethods ( ) . length ) ; i ++ ) { Method method = javaClass . getMethods ( ) [ i ] ; if ( method . getName ( ) . startsWith ( PREFIX ) ) continue ; AtAjAttributes . AjAttributeMethodStruct mstruct = new AtAjAttributes . AjAttributeMethodStruct ( method , null , type , context , msgHandler ) ; Attribute [ ] mattributes = method . getAttributes ( ) ; for ( int j = 0 ; j < ( mattributes . length ) ; j ++ ) { Attribute mattribute = mattributes [ j ] ; if ( AtAjAttributes . acceptAttribute ( mattribute ) ) { RuntimeAnnotations mrvs = ( ( RuntimeAnnotations ) ( mattribute ) ) ; AtAjAttributes . handlePointcutAnnotation ( mrvs , mstruct ) ; break ; } } struct . ajAttributes . add ( new AjAttribute . WeaverVersionInfo ( ) ) ; struct . ajAttributes . addAll ( mstruct . ajAttributes ) ; } for ( int i = 0 ; i < ( javaClass . getFields ( ) . length ) ; i ++ ) { Field field = javaClass . getFields ( ) [ i ] ; if ( field . getName ( ) . startsWith ( PREFIX ) ) continue ; AtAjAttributes . AjAttributeFieldStruct fstruct = new AtAjAttributes . AjAttributeFieldStruct ( field , null , type , context , msgHandler ) ; Attribute [ ] fattributes = field . getAttributes ( ) ; for ( int j = 0 ; j < ( fattributes . length ) ; j ++ ) { Attribute fattribute = fattributes [ j ] ; if ( AtAjAttributes . acceptAttribute ( fattribute ) ) { RuntimeAnnotations frvs = ( ( RuntimeAnnotations ) ( fattribute ) ) ; if ( ( ( AtAjAttributes . handleDeclareErrorOrWarningAnnotation ( frvs , fstruct ) ) || ( AtAjAttributes . handleDeclareImplementsAnnotation ( frvs , fstruct ) ) ) || ( AtAjAttributes . handleDeclareParentsAnnotation ( frvs , fstruct ) ) ) { if ( ! ( type . isAnnotationStyleAspect ( ) ) ) { msgHandler . handleMessage ( new org . aspectj . bridge . Message ( ( ( "Found<seq2seq4repair_space>@AspectJ<seq2seq4repair_space>annotations<seq2seq4repair_space>in<seq2seq4repair_space>a<seq2seq4repair_space>non<seq2seq4repair_space>@Aspect<seq2seq4repair_space>type<seq2seq4repair_space>'" + ( type . getName ( ) ) ) + "'" ) , IMessage . WARNING , null , type . getSourceLocation ( ) ) ) ; } } break ; } }

Fix:
if ( ( ! isCodeStyleAspect ) && ( ! ( javaClass . isInterface ( ) ) ) ) {